To find the correct inequality that represents how much time the dehumidifier can run before it becomes full, we can start by understanding what happens over time.
The dehumidifier removes 2 quarts of water per hour. If we let \( h \) represent the number of hours the dehumidifier runs, then the amount of water it removes in quarts is represented by \( 2h \).
Since the dehumidifier can hold a maximum of 50 quarts, we want the amount of water removed, \( 2h \), to be less than or equal to 50 quarts (because it can run until it reaches that maximum capacity).
Thus, the correct inequality to represent this situation is:
\[ 2h \leq 50 \]
So, the correct option from the choices provided is:
2h <= 50.